You can wipe Galaxy S8 cache partition to solve many problems in Galaxy S8 and S8+ by yourself without affecting your data, or settings.

It is also the last method in solving software related problems before resetting your Galaxy S8 and S8+.

This Galaxy S8 how-to guide first explains what Galaxy S8 cache partition is and why and when you may need to wipe Galaxy S8 cache partition, then shows you how to clear Galaxy S8 cache partition.

What is Galaxy S8 cache partition?

Galaxy S8 cache partition in Galaxy S8 and S8+ is a special (and reserved) part of the phone storage. But it is not user accessible in normal mode.

As suggested by the name, this special partition stores and serves the cached files for the phone. This is needed in all Android phones to speed up the apps.

For most owners of Galaxy S8 and S8+, it is not necessary to know the existence of such a cache partition. Of course, they do not need to wipe Galaxy S8 cache partition in the lifespan of the Galaxy S8 and S8+.

The cache partition is normally well managed by the Android system. The partition will be refreshed automatically for example, when a major update is applied.

But occasionally, something in your Galaxy S8 or S8+ may go wrong and you may try to clear Galaxy S8 cache partition to avoid a factory data reset.

When you may need to wipe Galaxy S8 cache partition?

As mentioned, normally Android is smart enough to properly manage the cache partition in Galaxy S8 and S8+.

But in some cases, you may need to manually wipe cache partition in Galaxy S8 and S8, for example:

You can identify whether the problem is caused by the system or by third-party apps.

This Galaxy S8 how-to guide explains the details of Galaxy S8 safe mode in Galaxy S8 and S8, two ways to reboot Galaxy S8 or S8+ into safe mode, and how to use and exit Galaxy S8 safe mode.

What is Galaxy S8 safe mode?

Sometimes, your Galaxy S8 or Galaxy S8+may behave in some odd ways.

And you want to find out whether such problems are caused by third-party apps or pre-installed apps.

Galaxy S8 safe mode is the right tool for such problems.

Like in other Android phones, Galaxy S8 safe mode is a special mode for Galaxy S8 and S8+. Within this mode, all third-party apps (including some pre-installed Google apps) will be disabled temporally.

So, only some essential apps from Samsung and Google are enabled in Galaxy S8 safe mode.

If you still experience the problem in Galaxy S8 safe mode, then you can conclude that the problem is caused by the firmware or some of the essential apps. You may have to reset Galaxy S8 or S8+.

If the problem disappears in safe mode, you can then conclude that the problem is very likely caused by some apps installed by you.

Unfortunately, Galaxy S8 safe mode can only tell you whether the problem is caused by third-party apps or not. It is unable to tell you which app is causing the problem.

Two ways to reboot the Galaxy S8 or S8+ into Galaxy S8 safe mode?

There are at least two different ways to boot into Galaxy S8 safe mode.

Method 1: Use power button options to reboot Galaxy S8 and S8+ into safe